package org.example;

import java.util.HashMap;
import java.util.Map;
import java.util.UUID;

public class Main {
    public static void main(String[] args) {
      Map<String,User> map = new HashMap<>();
      boolean flag = true;
        int count  = 1;
      while(flag){
          String s = UUID.randomUUID().toString().replaceAll("-", "");
          User user = new User(count++,s );
        map.put(s,user);
        if(count == 999999){
            flag = false;
        }
      }
    }
}